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/****************************************************************************
**
** Copyright (C) 2011 - 2012 Research In Motion <blackberry-qt@qnx.com>
** Contact: http://www.qt-project.org/
**
** This file is part of the QtCore module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** This file may be used under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation and
** appearing in the file LICENSE.LGPL included in the packaging of this
** file. Please review the following information to ensure the GNU Lesser
** General Public License version 2.1 requirements will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of this
** file. Please review the following information to ensure the GNU General
** Public License version 3.0 requirements will be met:
** http://www.gnu.org/copyleft/gpl.html.
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
//#define QBBLOCALETHREAD_DEBUG
#ifdef QBBLOCALETHREAD_ENABLED
#include "qbblocalethread.h"
#include <QtGui/QApplication>
#include <QtGui/QWidget>
#include <QtGui/QWindowSystemInterface>
#include <QByteArray>
#include <QList>
#include <QDebug>
#include <errno.h>
#include <fcntl.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#define NAV_CONTROL_PATH "/pps/services/confstr/_CS_LOCALE"
#define PPS_BUFFER_SIZE 4096
QBBLocaleThread::QBBLocaleThread()
: mFd(-1),
mQuit(false)
{
}
QBBLocaleThread::~QBBLocaleThread()
{
// block until thread terminates
shutdown();
}
void QBBLocaleThread::run()
{
#if defined(QBBLOCALETHREAD_DEBUG)
qDebug() << "QBB: Locale thread started";
#endif
// open connection to Locale
errno = 0;
mFd = open(NAV_CONTROL_PATH, O_RDWR);
if (mFd == -1) {
qWarning("QBB: failed to open Locale pps, errno=%d", errno);
return;
}
// allocate buffer for pps data
char buffer[PPS_BUFFER_SIZE];
// loop indefinitely
while (!mQuit) {
// attempt to read pps data
errno = 0;
int bytes = read(mFd, buffer, PPS_BUFFER_SIZE - 1);
if (bytes == -1) {
qWarning("QBB: failed to read Locale pps, errno=%d", errno);
return;
}
// check if pps data was received
if (bytes > 0) {
// Notify the world that the locale has changed.
QWindowSystemInterface::handleLocaleChange();
}
// yield
msleep(5);
}
// close connection to Locale
close(mFd);
#if defined(QBBLOCALETHREAD_DEBUG)
qDebug() << "QBB: Locale thread stopped";
#endif
}
void QBBLocaleThread::shutdown()
{
// signal thread to terminate
mQuit = true;
#if defined(QBBLOCALETHREAD_DEBUG)
qDebug() << "QBB: Locale thread shutdown begin";
#endif
// block until thread terminates
wait();
#if defined(QBBLOCALETHREAD_DEBUG)
qDebug() << "QBB: Locale thread shutdown end";
#endif
}
#endif // QBBLOCALETHREAD_ENABLED
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